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2-4
FREE SPACE REQUIRED AROUND OUTDOOR UNIT
1. Top side obstacles
If there are obstacles at the rear side only, other
obstacles may be permitted as shown in the dia-
gram of top side.
100 mm or more
500 mm or
more
3. Obstacles on front side (blowing side) only
If there are obstacles on the front side, keep the
back, left/right, & top sides open.
500 mm or more
5. Obstacles on front & rear sides only
Becomes usable by fitting the outdoor air outlet
guide which comes as an option (left/right & top
sides open).
But if natural wind, like that flowing between build-
ings, cannot be expected, keep the height or width
of obstacles within the following range. Otherwise,
there is the risk of short cycle occuring. (If the front
or rear side satisfies the requirements, there is no
special restriction on the remaining side).
Obstruction width:
1.5 times width of outdoor
unit or smaller
Obstruction height:
Unit height or lower
100 mm or more
500 mm or more
Air outlet guide
2. Front side (blowing side) open
If only the space shown in diagram can be reserved,
obstacles can be allowed in the other 3 directions
(but top side open).
200 mm or more
10 mm or more
10 mm or more
4. Obstacles on front & rear sides
Unusable in case of the dimensions shown in fol-
lowing diagram. See item 5.
100 mm or less
3000 mm or less
6. Obstacles on 4 surrounding sides
Unusable if there are obstacles on all 4 surround-
ing sides, even if there is more than the prescribed
amount of space around the outdoor unit and even
if the top side is open.
SERVICE SPACE
Allow the service space shown in the following dia-
gram to remain open, for maintenance etc. in front of
the unit.
• When installing unit in rooftop or other locations unprotected from wind, situate unit air outlet in direction
not directly exposed to strong wind. Strong wind entering air outlet may impede normal airflow and
cause malfunctions.
Examples
• Face outlet toward any available wall, 500 mm
away from wall.
• Position unit so that air outlet blows in direction
perpendicular to seasonal wind direction, if
known.
90˚
3
500 mm or more
10 mm or more
500 mm
Service space
or more
• Install optional air outlet guide, if the unit is in-
stalled at a place where the powerful blast of
typhoon, etc. comes directly on the air outlet.
Air outlet guide
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